| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [adj] period | 5141 |
|
| 2 | [prep] such [art] [adj] | 2190 |
|
| 3 | such [art] [adj] period | 32 |
|
| 4 | [prep] such [art] period | 18 |
|
| 5 | [prep] such [adj] period | 8 |
|
